The Orion Lab Star EC112 Conductivity Meter is a laboratory bench meter designed for convenient measurement of conductivity, salinity, total dissolved solids (TDS) and temperature. The LSTAR1125 configuration is supplied as a standard conductivity meter kit for common conductivity samples in the 1 μS/cm to 20 mS/cm range.
Its large 5-inch backlit LCD provides clear visibility while the compact footprint helps conserve valuable laboratory bench space. The display can simultaneously show conductivity, cell constant, temperature and temperature coefficient, helping users record important measurement information efficiently.
The meter also provides onscreen stabilizing and ready indicators to help identify when readings have reached a stable condition. In addition, date- and time-stamped measurement and calibration records support organized laboratory data management and GLP-oriented workflows.
Key Features and Benefits
The Orion Lab Star EC112 Conductivity Meter offers a practical combination of measurement capability, calibration flexibility and data management.
- Measures conductivity, salinity, TDS and temperature.
- Conductivity range from 0.00 μS to 500.0 mS.
- Salinity range from 0.00 to 80.0 ppt or 0.00 to 42.0 PSU.
- TDS range from 0.00 ppm to 500.0 ppt.
- Temperature measurement from -5.0°C to +105.0°C.
- Large 5-inch backlit LCD for easy viewing.
- Conductivity and TDS calibration from 1 to 5 points.
- One-point salinity calibration.
- One-point temperature adjustment calibration.
- 500 data points with date and time stamps.
- Continuous, Auto-Read and Timed measurement modes.
- Calibration reminder alarm.
- Non-volatile memory for data retention.
- Computer or printer output capability.
- Compact bench-top design with an IP54 rating.
Technical Specifications
| Specification | Details |
|---|---|
| Product | Orion Lab Star EC112 Conductivity Meter Kit |
| Catalog Number | LSTAR1125 |
| Measurement Modes | Conductivity + Temperature; Salinity + Temperature; TDS + Temperature |
| Conductivity Range | 0.00 μS to 500.0 mS |
| Salinity Range | 0.00–80.0 ppt; 0.00–42.0 PSU |
| TDS Range | 0.00 ppm to 500.0 ppt |
| Temperature Range | -5.0°C to +105.0°C |
| Conductivity Accuracy | ±0.5% of reading ±1 LSD |
| Salinity Accuracy | ±0.5% of reading ±1 LSD |
| TDS Accuracy | ±0.5% of reading ±1 LSD |
| Temperature Accuracy | ±0.3°C, ±0.5°F |
| Display | 5-inch backlit LCD |
| Conductivity Calibration | 1–5 points |
| TDS Calibration | 1–5 points |
| Salinity Calibration | 1 point |
| Temperature Calibration | 1 point |
| Cell Constant | 0.100–10.00 cm⁻¹ |
| Temperature Compensation | Linear 0–10%/°C or Off |
| TDS Factor | 0.40–1.00 |
| Data Storage | 500 sets with date and time stamp |
| Data Modes | Continuous, Auto-Read and Timed |
| Compatible Probes | 2-cell and 4-cell conductivity electrodes |
| Input | 8-pin MiniDIN conductivity input with built-in ATC |
| Output | Computer or printer (STARA-106) |
| Dimensions | 187.2 × 155.2 × 61.7 mm |
| Weight | 700 g |
| IP Rating | IP54 |
| Power Supply | Universal 100–240 V, 50/60 Hz |
| Warranty | 3-year meter warranty |
What’s Included
The LSTAR1125 conductivity meter kit includes:
- 011050MD 2-cell K = 1.0 epoxy-body conductivity/ATC probe
- 011007 1413 μS conductivity standard, 5 × 60 mL
- Meter with electrode stand
- PC cable
- Universal power adapter
Why Choose the Orion Lab Star EC112 Conductivity Meter?
The Orion Lab Star EC112 Conductivity Meter is suitable when laboratories need a straightforward bench-top solution for routine conductivity, salinity and TDS measurements.
Its wide conductivity range, automatic temperature compensation capability, multiple calibration options and integrated data logging make it practical for laboratories that need repeatable measurements and organized records.
The 500-point data logger allows important results to be stored with date and time information, while data and calibration logs can be transferred to a computer or printer for longer-term record keeping.
The LSTAR1125 kit also provides the essential conductivity probe and conductivity standard, making it a convenient configuration for laboratories requiring a ready-to-use conductivity measurement system.
Applications
The Orion Lab Star EC112 can be used for a wide variety of laboratory conductivity samples, particularly applications within the specified 1 μS/cm to 20 mS/cm range.
Potential laboratory applications include:
- Routine water quality testing
- Laboratory conductivity measurements
- Salinity measurement
- TDS measurement
- Research and development laboratories
- Educational and academic laboratories
- Quality control testing
- Environmental laboratory testing
- General laboratory analysis
Orion Lab Star EC112 Conductivity Meter for Laboratory Testing
For laboratories seeking a compact conductivity bench meter with conductivity, salinity, TDS and temperature measurement capabilities, the LSTAR1125 provides a practical solution.
The combination of a large backlit display, flexible calibration, automatic temperature compensation, 500-point data logging and computer/printer connectivity makes it suitable for routine laboratory measurement and documentation.
FAQ Section
What is the Orion Lab Star EC112 Conductivity Meter?
The Orion Lab Star EC112 is a bench-top meter designed to measure conductivity, salinity, TDS and temperature.
What is the conductivity range of the LSTAR1125?
The meter has a conductivity measurement range of 0.00 μS to 500.0 mS. The LSTAR1125 kit is specified for common conductivity samples in the 1 μS/cm to 20 mS/cm range.
Does the Orion EC112 measure TDS and salinity?
Yes. The meter measures both TDS and salinity in addition to conductivity and temperature.
How many data points can the meter store?
The Orion Lab Star EC112 provides storage for 500 data sets, including date and time stamps.
Does the LSTAR1125 include a conductivity probe?
Yes. The standard kit includes an 011050MD 2-cell K = 1.0 epoxy-body conductivity/ATC probe.
What type of display does the conductivity meter have?
The meter features a 5-inch backlit LCD for convenient viewing of measurements.



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